Quiet in here...so here's a little post from last weekend:
Wife video'd me while working my 18M Switch Helium like a mad dog in 10-13mph and chop...for an 18M this thing turns great and keeps me planing!

Appex buggy, Libre hardcore buggies.
Flexboardz. Blokarts.
PKD Century Soulflys. NPW's. Nasa Stars.
A few other less flown oddballs,
Line sets from 10" to 328" or 2m to 100m.
worlds only AQR that works.
American distributor for PKD.

It's a 8m. Might have to add a bit of line to make it work in light wind.
110m should make for a fantastic day on the board

Appex buggy, Libre hardcore buggies.
Flexboardz. Blokarts.
PKD Century Soulflys. NPW's. Nasa Stars.
A few other less flown oddballs,
Line sets from 10" to 328" or 2m to 100m.
worlds only AQR that works.
American distributor for PKD.

Well not that long, but doubling the line length might be a good starting point for the 8m.
No question that Speed can stay in the air but to pull you you'd need it to travel a good long arc for that small size.

I can ride my 10m Rally on 37m lines when other folks need a 15m wing. Flysurfer standard is 21m lines by default so there's a way to go longer.